Where Aleister Crowley taught magick in "La Chambre Des Cauchemars," his "Chamber of Nightmares."

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

Once featuring over 60 miniature replicas of famous Chinese locations, the Splendid China theme park was completely abandoned and is now mostly rubble.

An abandoned meat mecca now serves as an excellent locale for urban exploration.

Beijing's expansive subterranean hiding spot now crumbles away as a tourist destination.

The railroad tunnel nicknamed the "Bloody Pit" for taking the lives of hundreds during its construction.

Secret North Korean passage discovered below the world's most dangerous border.

A well-preserved network of cavernous tunnels have spent silent centuries removing Toronto's waste.

"Looks so real, it's scary!"

A Chicago Movie Palace Lost to Time.

Once one of the largest producers of pig iron in the world.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."